A screw-propelled vehicle is a land or amphibious vehicle designed to traverse difficult terrain, such as snow, ice, mud, and swamp. Such vehicles are distinguished by being moved by the rotation of one or more auger-like cylinders fitted with a helical flange that engages with the medium through or over which the vehicle is moving.
A screw-propelled vehicle is a land or amphibious vehicle designed to traverse difficult terrain, such as snow, ice, mud, and swamp. Such vehicles are distinguished by being moved by the rotation of one or more auger-like cylinders fitted with a helical flange that engages with the medium through or over which the vehicle is moving.
Source: Wikipedia "Screw-propelled vehicle" · CC BY-SA 4.0
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